YOU SAID:

/give @p diamond_sword{Unbreakable:1,Enchantments:[{id:sharpness,lvl:1000},{id:looting,lvl:1000},{id:mending,lvl:1000}]}

INTO JAPANESE

/ give @p diamond_sword {Unbreakable：1、Enchantments：[{id：sharpness、lvl：1000}、{id：looting、lvl：1000}、{id：mending、lvl：1000}]}

BACK INTO ENGLISH

/ give @p diamond_sword {Unbreakable: 1, Enchantments: [{id: sharpness, lvl: 1000}, {id: looting, lvl: 1000}, {id: mending, lvl: 1000}]}

INTO JAPANESE

/ give @p diamond_sword {Unbreakable：1、Enchantments：[{id：sharpness、lvl：1000}、{id：looting、lvl：1000}、{id：mending、lvl：1000}]}

BACK INTO ENGLISH

/ give @p diamond_sword {Unbreakable: 1, Enchantments: [{id: sharpness, lvl: 1000}, {id: looting, lvl: 1000}, {id: mending, lvl: 1000}]}